Seven Maoists, including four carrying rewards on their heads, were arrested and a cache of arms and ammunition and over 300 adhar cards were seized by CRPF and the district armed police in raids since Monday in Giridih district of Jharkhand, police said today.

The raids took place in Akbaki village, superintendent of police Surendra Kumar Jha said adding 13 firearms including AK-47 and INSAS rifles were seized in the raids.

The firearms included a AK 47 rifle, INSAS and SLR rifles, hand grenades, large quantity of live cartridges, the police said adding more than 300 Aadhaar cards were also seized.

Police have begun investigation following the seizure of the large number of Aadhaar cards.

The raids are still on, the police said adding it was led by additional superintendent of police Deepak Kumar and comprised of battalions from Cobra, CRPF, Jharkhand Jaguar besides the district armed police.